28658745

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11173}}^1$

素因数の和:11206

約数の個数: 32

約数和(自身を含む): 53635200

約数和(自身を除く): 24976455

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 11173, 33519, 55865, 100557, 167595, 212287, 301671, 502785, 636861, 1061435, 1508355, 1910583, 3184305, 5731749, 9552915, 28658745]

約数ペア:

[(1, 28658745), (3, 9552915), (5, 5731749), (9, 3184305), (15, 1910583), (19, 1508355), (27, 1061435), (45, 636861), (57, 502785), (95, 301671), (135, 212287), (171, 167595), (285, 100557), (513, 55865), (855, 33519), (2565, 11173)]